Testing device



FIG. 1 is a top perspective view of a testing device;

FIG. 2 is a front end view of the testing device of FIG. 1;

FIG. 3 is a rear end view of the testing device of FIG. 1;

FIG. 4 is a top view of the testing device of FIG. 1;

FIG. 5 is a bottom view of the testing device of FIG. 1; and,

FIG. 6 is a left side view of the testing device of FIG. 1.

The broken lines in FIGS. 1–6 are included for the purposes of illustrating environmental elements only and form no part of the claimed design. 

The ornamental design for a testing device, as shown and described. 